When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with your body's internal systems. Yet here's something lighting manufacturers ...

UVB has utility in processes such as detoxifying pollutants and treating dermatological disorders, but it can only be produced by inefficient and environmentally harmful methods. Research teams have ...

Blue light is all around you. These high-energy light waves emanate from the sun, stream through earth’s atmosphere, and interact with light sensors in your skin and eyes. Increasingly, people are ...